Try some Timken bearings as coupling footers.
Model # 09067 bearing resting in LM11910 mismatched race
top each footer with a Small DH Cone
This will give you a very good idea about their performance characteristics, you can then tweak/reconfigure them further to fine tune your results.
Model # 09067 bearing resting in LM11910 mismatched race
top each footer with a Small DH Cone
This will give you a very good idea about their performance characteristics, you can then tweak/reconfigure them further to fine tune your results.